Earth's Moon: Formation, Composition and Orbit
Latest about Moon Phases

By Robert Lea Published
Skywatchers can see the lunar face half illuminated by the sun at the weekend when the moon enters the first quarter phase of its 29.5-day cycle on Saturday, May 27.

By Stefanie Waldek Published
Tonight (May 19) is the new moon, and it's a rare "black moon," which occurs approximately once every 33 months.

By Robert Lea Published
The moon will be in its third quarter phase on Friday, May 12, with its face half-lit, halfway between its fully illuminated full moon phase and its completely dark new moon phase.

By Robert Lea Published
The moon will be half-illuminated on Thursday (April 27), during the first quarter phase halfway between the new moon and the full moon.

By Joe Rao Published
And on Thursday evening, April 20, everyone across North America will have an opportunity to sight an exceedingly young crescent moon. Try your own hand at finding it!

By Robert Lea Published
The new moon occurs just after midnight on Thursday (April 20), ahead of the end of the holy month of Ramadan for Muslims across the globe, while also signaling the end of a rare type of eclipse.

By Stefanie Waldek Published
As we get closer to the new moon, stargazing conditions will improve with the lack of natural light pollution.

By Robert Lea Published
After April 2023's Pink Moon had set, photographers from across the globe took to social media to share their images and videos of the full moon.
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